28877177773319 has 4 divisors (see below), whose sum is σ = 28971240241944. Its totient is φ = 28783115304696.

The previous prime is 28877177773187. The next prime is 28877177773331. The reversal of 28877177773319 is 91337777177882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28877177773319 - 2⁸ = 28877177773063 is a prime.

It is a super-2 number, since 2×28877177773319² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28877177773319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28877177773399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47031233852 + ... + 47031234465.

It is an arithmetic number, because the mean of its divisors is an integer number (7242810060486).

Almost surely, 2^{28877177773319} is an apocalyptic number.

28877177773319 is a deficient number, since it is larger than the sum of its proper divisors (94062468625).

28877177773319 is an equidigital number, since it uses as much as digits as its factorization.

28877177773319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94062468624.

The product of its digits is 1219784832, while the sum is 77.

The spelling of 28877177773319 in words is "twenty-eight trillion, eight hundred seventy-seven billion, one hundred seventy-seven million, seven hundred seventy-three thousand, three hundred nineteen".